2.3 Power Supply Troubleshooting 2 Troubleshooting Procedures

2.3 Power Supply Troubleshooting

START
A re the D C-IN and
B a tte ry L E Ds lit?
Can you turn the
com puter on?
Are the internal power
connections secure?
END
Check P ow er Supply S tatus
(Procedure 1)
No
Yes
Check power supply
connections
(Procedure 3)
Run diagnostic program
(P roc ed ure 4 )
Yes
No
R eplace ad aptor / battery
(P roc ed ure 2 )
No
P erfo rm internal co nn ec tio n
check
(P roc ed ure 5 )
R eplace system board
Yes

Figure 2-2 Power Supply Troubleshooting Process

Tecra A3/S2 Series Maintenance Manual 2-7